CSS LLC/IL
13F Reported Value
ⓘ$2.6B
incl. option notional
Equity Holdings
ⓘ$2.3B
Option Notional
ⓘ$314.3M
$243.8M puts / $70.5M calls
Holdings
1,001
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
CSS LLC/IL disclosed 1,001 positions worth $2.6B in its Form 13F-HR for Q2 2026 — $2.3B in common stock plus $314.3M of put/call option positions (reported at underlying notional value, not premium at risk), led by $LITE (Lumentum Holdings Inc.) at 10.9% of the equity portfolio. During the quarter the fund opened 284 new positions and exited 243 — including a new stake in $MCHP. The portfolio is most concentrated in Technology (26.4% of disclosed assets). All figures are sourced directly from CSS LLC/IL’s Form 13F-HR filing with the SEC under CIK 1103646.
AI Fund Analysis
Concentrating
$LITE
$ECHO
$APO
$BAC
$PCG$ECHO
$AKAM
$IVZSector Allocation
AUM History
Top Equity Holdings by Value
Option Positions
13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 44.3#1,923
Quality
$245.6M37,554,000 sh HEWLETT PACKARD ENTERPRISE C - 7.625 MAND CONV
—Quality
$149.3M1,276,322 sh- 32.8#2,409
Quality
$137.4M43,925,753 sh - 52.1
Quality
$82.8M1,361,499 sh - 67.6
Quality
$63.3M50,372 sh - 22.8
Quality
$54.2M13,773,940 sh - 62.0
Quality
$45.3M878,227 sh - 14.2
Quality
$44.2M2,351,492 sh - 52.9
Quality
$43.0M558,552 sh - 56.4
Quality
$33.5M26,112,000 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| Lumentum Holdings Inc.$LITE | 44.3#1,923 | $245.6M | 37,554,000 |
| HEWLETT PACKARD ENTERPRISE C - 7.625 MAND CONV | — | $149.3M | 1,276,322 |
| EchoStar CORP$ECHO | 32.8#2,409 | $137.4M | 43,925,753 |
| Apollo Global Management, Inc.$APO | 52.1 | $82.8M | 1,361,499 |
| BANK OF AMERICA CORP /DE/$BAC | 67.6 | $63.3M | 50,372 |
 WOLFSPEED, INC.$WOLF | 22.8 | $54.2M | 13,773,940 |
 Super Micro Computer, Inc.$SMCI | 62.0 | $45.3M | 878,227 |
 Core Scientific, Inc./tx$CORZ | 14.2 | $44.2M | 2,351,492 |
 MICROCHIP TECHNOLOGY INC$MCHP | 52.9 | $43.0M | 558,552 |
 Cloudflare, Inc.$NET | 56.4 | $33.5M | 26,112,000 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of CSS LLC/IL's 1,001 positions.
Showing top 10 of 1,001 holdings.
Sector Allocation
Technology
$595.3M
Other
$464.8M
Financials
$463.1M
Healthcare
$169.9M
Communication Services
$156.3M
Industrials
$142.3M
Materials
$72.3M
Energy
$58.0M
Top Holdings — CSS LLC/IL (Q2 2026)
Top 150 of 1,001 disclosed positions (by reported value) from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $LITE | Lumentum Holdings Inc. | $245.6M | 10.9% | -7% | 44.3 |
| 2 | — | HEWLETT PACKARD ENTERPRISE C - 7.625 MAND CONV | $149.3M | 6.6% | +1015% | — |
| 3 | $ECHO | EchoStar CORP | $137.4M | 6.1% | +7% | 32.8 |
| 4 | $APO | Apollo Global Management, Inc. | $82.8M | 3.7% | +391% | 52.1 |
| 5 | $BAC | BANK OF AMERICA CORP /DE/ | $63.3M | 2.8% | +388% | 67.6 |
| 6 | $WOLF | WOLFSPEED, INC. | $54.2M | 2.4% | +49% | 22.8 |
| 7 | $SMCI | Super Micro Computer, Inc. | $45.3M | 2.0% | NEW | 62 |
| 8 | $CORZ | Core Scientific, Inc./tx | $44.2M | 2.0% | +13% | 14.2 |
| 9 | $MCHP | MICROCHIP TECHNOLOGY INC | $43.0M | 1.9% | NEW | 52.9 |
| 10 | $NET | Cloudflare, Inc. | $33.5M | 1.5% | +95% | 56.4 |
| 11 | $AKAM | AKAMAI TECHNOLOGIES INC | $29.6M | 1.3% | +58% | 59.5 |
| 12 |  $GMEPUT | GameStop Corp. | $27.2M | — | +1% | 61.2 |
| 13 |  $ALB | ALBEMARLE CORP | $26.1M | 1.2% | +88% | 53.4 |
| 14 |  $CNP | CENTERPOINT ENERGY INC | $25.3M | 1.1% | +0% | 53.3 |
| 15 |  $EQX | Equinox Gold Corp. | $25.1M | 1.1% | +88% | — |
| 16 |  $BA | BOEING CO | $23.6M | 1.1% | NEW | 61.6 |
| 17 |  $RIG | Transocean Ltd. | $23.5M | 1.0% | -38% | — |
| 18 | — | EL PASO ENERGY CAP TR I - PFD CV TR SEC 28 | $22.6M | 1.0% | +97% | — |
| 19 | $IVZ | Invesco Ltd. | $22.1M | 1.0% | +1% | — |
| 20 | — | VANGUARD INDEX FDS - S&P 500 ETF SHS | $22.1M | 1.0% | +0% | — |
| 21 |  $KMIPUT | KINDER MORGAN, INC. | $21.7M | — | NEW | 71.3 |
| 22 |  $IREN | IREN Ltd | $21.2M | 0.9% | NEW | 46.3 |
| 23 |  $DOCN | DigitalOcean Holdings, Inc. | $19.5M | 0.9% | NEW | 67.2 |
| 24 |  $PTCT | PTC THERAPEUTICS, INC. | $18.6M | 0.8% | +316% | 35.4 |
| 25 |  $SNOW | Snowflake Inc. | $16.5M | 0.7% | -28% | 54.9 |
| 26 |  $XRXPUT | Xerox Holdings Corp | $16.0M | — | -29% | 44.8 |
| 27 |  $WDC | WESTERN DIGITAL CORP | $15.9M | 0.7% | -2% | 80.7 |
| 28 | $GME | GameStop Corp. | $15.2M | 0.7% | NEW | 61.2 |
| 29 |  $IAU | ISHARES GOLD TRUST | $15.1M | 0.7% | +0% | — |
| 30 |  $KIM | KIMCO REALTY CORP | $15.0M | 0.7% | +0% | 64.5 |
| 31 |  $SPYCALL | SPDR S&P 500 ETF TRUST | $14.2M | — | -16% | — |
| 32 | — | ALPHABET INC - DEP SHS RP1/20 B | $13.4M | 0.6% | NEW | — |
| 33 | $SPY | SPDR S&P 500 ETF TRUST | $12.9M | 0.6% | NEW | — |
| 34 |  $PEN | Penumbra Inc | $12.2M | 0.5% | +7% | 67.1 |
| 35 |  $IONS | IONIS PHARMACEUTICALS INC | $12.1M | 0.5% | +93% | 23.4 |
| 36 | — | BRIDGEBIO PHARMA INC - NOTE 1.750% 3/0 | $12.1M | 0.5% | -29% | — |
| 37 |  $CELC | Celcuity Inc. | $11.9M | 0.5% | -16% | — |
| 38 |  $HAE | HAEMONETICS CORP | $11.6M | 0.5% | +9326% | 51.4 |
| 39 | $PENPUT | Penumbra Inc | $11.4M | — | -3% | 67.1 |
| 40 |  $GH | Guardant Health, Inc. | $11.3M | 0.5% | -36% | 39 |
| 41 |  $MARA | MARA Holdings, Inc. | $11.1M | 0.5% | -39% | 36.5 |
| 42 | — | BROOKDALE SR LIVING INC - NOTE 2.000%10/1 | $11.0M | 0.5% | +0% | — |
| 43 |  $ALNY | ALNYLAM PHARMACEUTICALS, INC. | $10.9M | 0.5% | -51% | 71.4 |
| 44 |  $TMDX | TransMedics Group, Inc. | $10.9M | 0.5% | NEW | 67.2 |
| 45 |  $ON | ON SEMICONDUCTOR CORP | $10.4M | 0.5% | NEW | 55 |
| 46 |  $OHAC | Oceanhawk Acquisition Corp. | $10.3M | 0.5% | NEW | — |
| 47 |  $PPL | PPL Corp | $10.2M | 0.5% | +201% | 55.7 |
| 48 | — | FUTURECORP SPACE ACQUISITION - UNIT 99/99/9999 | $10.1M | 0.5% | NEW | — |
| 49 |  $EAPUT | ELECTRONIC ARTS INC. | $9.8M | — | +1095% | 62.9 |
| 50 | $MARA | MARA Holdings, Inc. | $9.5M | 0.4% | -27% | 36.5 |
| 51 | $GH | Guardant Health, Inc. | $9.4M | 0.4% | NEW | 39 |
| 52 |  $GTLS | CHART INDUSTRIES INC | $9.4M | 0.4% | +328% | 49 |
| 53 |  $BYND | BEYOND MEAT, INC. | $9.3M | 0.4% | -18% | 38.5 |
| 54 |  $JHG | Janus Henderson Group Ltd. | $9.2M | 0.4% | +1012% | — |
| 55 | — | SPECIAL OPPORTUNITIES FD INC - 2.75% CNV PFD C | $9.0M | 0.4% | +5% | — |
| 56 |  $LYFT | Lyft, Inc. | $8.9M | 0.4% | +18% | 72.8 |
| 57 |  $STEW | SRH Total Return Fund, Inc. | $8.3M | 0.4% | +0% | — |
| 58 | — | NEXTERA ENERGY INC - UNIT 02/15/2029 | $8.2M | 0.4% | -68% | — |
| 59 | — | ISHARES TR - 20 YR TR BD ETF | $7.8M | — | +80% | — |
| 60 | — | INTEGER HLDGS CORP - DBCV 1.875% 3/1 | $7.8M | 0.3% | +104% | — |
| 61 | $GTLSPUT | CHART INDUSTRIES INC | $7.6M | — | +5950% | 49 |
| 62 | $SMCIPUT | Super Micro Computer, Inc. | $7.4M | — | +73% | 62 |
| 63 |  $TACH | Titan Acquisition Corp. | $7.4M | 0.3% | +0% | — |
| 64 |  $GPRE | Green Plains Inc. | $7.1M | 0.3% | +0% | 47.8 |
| 65 |  $BTU | PEABODY ENERGY CORP | $7.0M | 0.3% | -75% | 36 |
| 66 |  $JAZZ | Jazz Pharmaceuticals plc | $7.0M | 0.3% | NEW | — |
| 67 |  $EVAC | EQV Ventures Acquisition Corp. II | $6.9M | 0.3% | +466% | — |
| 68 |  $WENN | WEN Acquisition Corp | $6.7M | 0.3% | +0% | — |
| 69 |  $RVMD | Revolution Medicines, Inc. | $6.6M | 0.3% | +348% | — |
| 70 | — | SELECT SECTOR SPDR TR - ST STR ENERG ETF | $6.4M | — | +381% | — |
| 71 |  $GOOG | Alphabet Inc. | $6.3M | 0.3% | NEW | 78.2 |
| 72 | — | LITMAN GREGORY FDS TR - IMGP DBI MAN ETF | $6.3M | 0.3% | +0% | — |
| 73 | — | STRATEGY INC - NOTE 3/0 | $6.2M | 0.3% | +0% | — |
| 74 |  $SWZ | Total Return Securities Fund | $6.2M | 0.3% | +2% | — |
| 75 | $RVMDPUT | Revolution Medicines, Inc. | $5.5M | — | +855% | — |
| 76 |  $CUB | Lionheart Holdings | $5.5M | 0.2% | NEW | — |
| 77 |  $AZUL | AZUL SA | $5.4M | 0.2% | NEW | 50 |
| 78 |  $AALPUT | American Airlines Group Inc. | $5.3M | — | -50% | 53.4 |
| 79 | — | TRG LATIN AMER ACQUIS CORP - CL A ORD SHS | $5.3M | 0.2% | NEW | — |
| 80 |  $FOURPUT | Shift4 Payments, Inc. | $5.2M | — | +0% | 62.5 |
| 81 |  $BE | Bloom Energy Corp | $5.2M | 0.2% | +1% | 66.2 |
| 82 |  $NEE | NEXTERA ENERGY INC | $5.2M | 0.2% | +100% | 64.6 |
| 83 |  $BABA | Alibaba Group Holding Ltd | $5.1M | 0.2% | +74% | — |
| 84 |  $SILA | Sila Realty Trust, Inc. | $5.1M | 0.2% | NEW | 57.4 |
| 85 | — | ARMADA ACQUISITION CORP III - UNIT 02/13/2031 | $5.0M | 0.2% | -0% | — |
| 86 | $FOUR | Shift4 Payments, Inc. | $5.0M | 0.2% | -1% | 62.5 |
| 87 | — | SIMPLIFY EXCHANGE TRADED FUN - MANAGED FUTURES | $5.0M | 0.2% | +0% | — |
| 88 |  $MTSI | MACOM Technology Solutions Holdings, Inc. | $5.0M | 0.2% | +17% | 69.4 |
| 89 | $EA | ELECTRONIC ARTS INC. | $5.0M | 0.2% | +158% | 62.9 |
| 90 | — | ART TECHNOLOGY ACQUISITION C - USD CL A ORD SHS | $4.8M | 0.2% | +433% | — |
| 91 | — | ISHARES TR - 20 YR TR BD ETF | $4.8M | — | -58% | — |
| 92 | $MARAPUT | MARA Holdings, Inc. | $4.7M | — | -4% | 36.5 |
| 93 |  $LKSP | Lake Superior Acquisition Corp | $4.7M | 0.2% | +0% | — |
| 94 |  $IPCX | Inflection Point Acquisition Corp. III | $4.7M | 0.2% | +0% | — |
| 95 | $ECHOPUT | EchoStar CORP | $4.6M | — | +0% | 32.8 |
| 96 |  $BRW | Saba Capital Income & Opportunities Fund | $4.5M | 0.2% | -3% | — |
| 97 |  $KEYY | Keystone Acquisition Corp. | $4.5M | 0.2% | NEW | — |
| 98 |  $DBRG | DigitalBridge Group, Inc. | $4.3M | 0.2% | +4% | 36.5 |
| 99 | $DBRGPUT | DigitalBridge Group, Inc. | $4.3M | — | -11% | 36.5 |
| 100 | — | VIRIDIAN THERAPEUTICS INC - NOTE 1.750% 5/1 | $4.3M | 0.2% | NEW | — |
| 101 |  $LLYVA | Liberty Live Holdings, Inc. | $4.2M | 0.2% | +0% | 27.5 |
| 102 |  $DAAQ | Digital Asset Acquisition Corp. | $4.2M | 0.2% | +10% | — |
| 103 | — | AMERICAN CENTY ETF TR - EMERGING MKT VAL | $4.1M | 0.2% | +0% | — |
| 104 |  $FIVN | Five9, Inc. | $4.1M | 0.2% | +85% | 59.7 |
| 105 |  $PCT | PureCycle Technologies, Inc. | $4.1M | 0.2% | NEW | 15.8 |
| 106 |  $GLDCALL | SPDR GOLD TRUST | $4.1M | — | +633% | — |
| 107 | $XRX | Xerox Holdings Corp | $4.0M | 0.2% | +181% | 44.8 |
| 108 | — | ISHARES TR - IBOXX HI YD ETF | $4.0M | — | +150% | — |
| 109 |  $NBISPUT | Nebius Group N.V. | $4.0M | — | -22% | — |
| 110 |  $NIOPUT | NIO Inc. | $4.0M | — | +3% | — |
| 111 | — | ORACLE CORP - 6.5 DEP CUM SR D | $4.0M | 0.2% | +30% | — |
| 112 | — | MESHFLOW ACQUISITION CORP - USD CL A ORD SHS | $4.0M | 0.2% | -0% | — |
| 113 |  $IMXI | International Money Express, Inc. | $3.9M | 0.2% | +279% | 36.8 |
| 114 |  $W | Wayfair Inc. | $3.8M | 0.2% | NEW | 43.8 |
| 115 | — | CHEESECAKE FACTORY INC - NOTE 2.000% 3/1 | $3.8M | 0.2% | -77% | — |
| 116 |  $MXE | MEXICO EQUITY & INCOME FUND INC | $3.8M | 0.2% | -0% | — |
| 117 |  $CAES | Cantor Equity Partners VII, Inc. | $3.8M | 0.2% | NEW | — |
| 118 | — | ISHARES TR - MSCI INTL VLU FT | $3.8M | 0.2% | +0% | — |
| 119 | — | SELECT SECTOR SPDR TR - ST STR CARE ETF | $3.8M | — | NEW | — |
| 120 |  $UBER | Uber Technologies, Inc | $3.7M | 0.2% | NEW | 73.5 |
| 121 | — | INFLECTION PT ACQUISIT CORP - CL A ORD SHS | $3.7M | 0.2% | NEW | — |
| 122 | — | JOBY AVIATION INC - NOTE 0.750% 2/1 | $3.6M | 0.2% | -20% | — |
| 123 | — | DIMENSIONAL ETF TRUST - US SMALL CAP ETF | $3.6M | 0.2% | -7% | — |
| 124 | — | ISHARES TR - MSCI JP VALUE | $3.6M | 0.2% | -0% | — |
| 125 |  $MSTRPUT | Strategy Inc | $3.6M | — | -63% | 17.9 |
| 126 |  $MTDR | Matador Resources Co | $3.6M | 0.2% | +103% | 65.9 |
| 127 |  $CCAQ | COLLECTIVE ACQUISITION CORP. | $3.5M | 0.1% | NEW | — |
| 128 |  $ISNR | Snow Rothschild Acquisition Corp. | $3.5M | 0.1% | NEW | — |
| 129 | — | CLOUDFLARE INC - NOTE 6/1 | $3.4M | 0.1% | NEW | — |
| 130 |  $ITGR | Integer Holdings Corp | $3.3M | 0.1% | +0% | 55.9 |
| 131 |  $HTZ | HERTZ GLOBAL HOLDINGS, INC | $3.1M | 0.1% | +63% | 48.6 |
| 132 | $NIO | NIO Inc. | $3.0M | 0.1% | +0% | — |
| 133 |  $HIMSPUT | Hims & Hers Health, Inc. | $3.0M | — | +0% | 53.4 |
| 134 |  $WLCO | Wilco 63 Corp | $3.0M | 0.1% | NEW | — |
| 135 | $NIO | NIO Inc. | $3.0M | 0.1% | -40% | — |
| 136 |  $DBC | Invesco DB Commodity Index Tracking Fund | $3.0M | 0.1% | +6% | — |
| 137 | — | INTERPRIVATE INVTS PARTNERS - UNIT 05/27/2031 | $3.0M | 0.1% | NEW | — |
| 138 | — | D BORAL ACQUISITION I CORP - ORD SHS CL A | $3.0M | 0.1% | +20% | — |
| 139 |  $CIFR | Cipher Digital Inc. | $2.9M | 0.1% | +3% | 30.6 |
| 140 |  $BSXCALL | BOSTON SCIENTIFIC CORP | $2.9M | — | NEW | 77.5 |
| 141 |  $INTCPUT | INTEL CORP | $2.9M | — | NEW | 45.6 |
| 142 |  $TACO | Berto Acquisition Corp. | $2.8M | 0.1% | -26% | — |
| 143 |  $IBITCALL | iShares Bitcoin Trust ETF | $2.8M | — | +150% | — |
| 144 |  $LPBB | Launch Two Acquisition Corp. | $2.8M | 0.1% | -20% | — |
| 145 | — | ISHARES TR - MSCI EAFE ETF | $2.8M | 0.1% | +0% | — |
| 146 |  $FERA | Fifth Era Acquisition Corp I | $2.8M | 0.1% | +0% | — |
| 147 |  $SMCALL | SM Energy Co | $2.7M | — | +259% | 79.1 |
| 148 |  $COP | CONOCOPHILLIPS | $2.7M | 0.1% | +258% | 70.2 |
| 149 |  $CHPG | ChampionsGate Acquisition Corp | $2.7M | 0.1% | +0% | — |
| 150 | $IMXIPUT | International Money Express, Inc. | $2.7M | — | +959% | 36.8 |
New Positions (284)
$MCHP MICROCHIP TECHNOLOGY INC$43.0M$BA BOEING CO$23.6M$KMIPUT KINDER MORGAN, INC.$21.7M$IREN IREN Ltd$21.2M$DOCN DigitalOcean Holdings, Inc.$19.5M$SPY SPDR S&P 500 ETF TRUST$12.9M$OHAC Oceanhawk Acquisition Corp.$10.3M$JAZZ Jazz Pharmaceuticals plc$7.0M$GOOG Alphabet Inc.$6.3M$AZUL AZUL SA$5.4M$SILA Sila Realty Trust, Inc.$5.1M$KEYY Keystone Acquisition Corp.$4.5MExited Positions (243)
$LRN Stride, Inc.
$HOLXPUT HOLOGIC INC
$MASICALL MASIMO CORP
$CSGS CSG SYSTEMS INTERNATIONAL INC$HOLX HOLOGIC INC
$IRHO Iron Horse Acquisition II Corp.
$SPB Spectrum Brands Holdings, Inc.$GLD SPDR GOLD TRUST
$AMPX Amprius Technologies, Inc.
$CALY Callaway Golf Co
$HTHT H World Group LtdBrowse Top Institutional Investors
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